Mathematics
The width of each class interval of a grouped frequency distribution is 8. The lower boundary of the class whose mid-value is 10 is :
2
4.5
5.5
6
Statistics
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Answer
Class width = 8
Half of class width = = 4
Mid-value = 10
So, Lower boundary = 10 - 4
= 6
Hence, option 4 is the correct option.
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